Color

#9bf651

#9bf651
hex#9bf651
rgbrgb(155, 246, 81)
hslhsl(93, 90%, 64%)
oklchoklch(0.884 0.214 133.9)
Closest name: greenyellow (#adff2f)Relative luminance 0.7347

Colors that go with #9bf651

Violet, Blue and Charcoal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ab51f6

#eef651 · #51f659

#519bf6 · #f6519b

Split-complementary

Open in tool →

#5951f6 · #f651ee

#51eef6 · #ab51f6 · #f65951

Contrast

#9bf651 as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #3f8307 as the text (4.71:1)
  • AAA: use #2e6105 as the text (7.43:1)
  • AA: or shift the background to #616161 (4.63:1)
  • AAA: or shift the background to #454545 (7.17:1)
Aaon black
15.69:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9bf651 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #9bf651
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #9bf651 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9bf651-abbea2-584edf-202d1f-f0f1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md